|Book(s)||Hyakki Yagyō Emaki|
Dōmo-Kōmo (どうもこうも, Dōmo-Kōmo) is a creature from Japanese folklore.
Two doctors were disputing over who was better. They kept competing until one finally attached his head to the other. No one else could match their skill, so they died attached to each other. This yokai is their ghost.
- Dōmo-Kōmo on Japanese Wikipedia